Owls are one of the most popular species of birds because of their phenomenal vision. Â Their eyes are considered to have a very long and wide range making some people describe them as having binocular vision. Â With so much focus on the owl’s eyes, many people have also discovered that these birds have actually three sets of eyelids. Â Each of these three eyelids actually serves a different purpose which is why they exist in the first place. Â The first eyelid is intended for blinking. Â As with many other animals, the owl’s eyes also need some blinking for lubrication and cleaning purposes. Â Without the ability to blink, the owl’s eyes would easily become dry or injured by constant contact with dirt or dust. Â The second eyelid, meanwhile, is designed for sleeping. Â Whenever an owl decides to take a nap or a prolonged rest, for example, this second eyelid is the one used for this specific purpose. Â The last eyelid in the owl’s eyes basically serves the purpose of keeping the eyes in a good and healthy condition.
With the different functions of their three eyelids, the owls also make use of their eyes to their advantage. Â They are mostly active at nighttime, so they need their large eyes to have a very long and wide range to possibly find food and avoid their predators. Â The owl’s huge eyes are also able to process light and dark images efficiently as they are often exposed to low levels of light during the night. Â With their reputation for having the best night vision, some people thought that owls may have problems seeing during the daytime. Â The fact is that the owl’s eyes are also very powerful and efficient even during the daytime. Â With their three eyelids, the owls can basically maximize the use of their eyes which somewhat represents their most valuable asset.
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